1009091910010 has 16 divisors (see below), whose sum is σ = 1834349256072. Its totient is φ = 399640360000.

The previous prime is 1009091910007. The next prime is 1009091910041. The reversal of 1009091910010 is 100191909001.

It can be written as a sum of positive squares in 4 ways, for example, as 959637711321 + 49454198689 = 979611^2 + 222383^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499549441 + ... + 499551460.

Almost surely, 2^{1009091910010} is an apocalyptic number.

1009091910010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1009091910010 is a deficient number, since it is larger than the sum of its proper divisors (825257346062).

1009091910010 is a wasteful number, since it uses less digits than its factorization.

1009091910010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999101009.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 1009091910010 in words is "one trillion, nine billion, ninety-one million, nine hundred ten thousand, ten".